Phytoplasma diseases in sub-tropical and tropical Australia

Claire Streten-Joyce, Karen Gibb

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Phytoplasmas are phloem-limited plant pathogens that have been identified in over 1000 plant species worldwide. Outbreaks of the phytoplasma-related disease, papaya dieback, has resulted in 10-100% crop losses in south-east Queensland and Western Australia. Strawberry lethal yellows and green petal disease outbreaks in Queensland have led to 10-50% of strawberry runners being destroyed. Lucerne yellows disease has been reported to cause an annual loss of AU$7 million to the lucerne seed industry. Disease surveys in Australia have increased our understanding of phytoplasma diseases in Australia and these fastidious organisms have been detected in ?70 native and introduced plant species. The majority of the Australian phytoplasmas are assigned to the 16SrII group, however, a member of the 16SrXII group is more commonly associated with economically important diseases in Australia such as strawberry lethal yellows, papaya dieback and grapevine yellows. These phytoplasma diseases have been diagnosed using PCR primers specific for their 16S rRNA gene. Screening hundreds of samples using PCR is time consuming and expensive so current and future studies are characterising an Australian phytoplasma genome and identifying suitable targets for the development of a more rapid diagnostic test for phytoplasmas. � Australasian Plant Pathology Society 2006.
    Original languageEnglish
    Pages (from-to)129-146
    Number of pages18
    JournalAustralasian Plant Pathology
    Volume35
    Issue number2
    Publication statusPublished - 2006

    Fingerprint

    Phytoplasma
    strawberries
    papayas
    dieback
    lethal genes
    16SrII (Peanut WB group)
    Queensland
    alfalfa
    16SrXII (Stolbur group)
    seed industry
    disease surveys
    crop losses
    plant pathology
    introduced plants
    plant pathogens
    Western Australia
    diagnostic techniques
    phloem
    corolla
    ribosomal RNA

    Cite this

    Streten-Joyce, Claire ; Gibb, Karen. / Phytoplasma diseases in sub-tropical and tropical Australia. In: Australasian Plant Pathology. 2006 ; Vol. 35, No. 2. pp. 129-146.
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    title = "Phytoplasma diseases in sub-tropical and tropical Australia",
    abstract = "Phytoplasmas are phloem-limited plant pathogens that have been identified in over 1000 plant species worldwide. Outbreaks of the phytoplasma-related disease, papaya dieback, has resulted in 10-100{\%} crop losses in south-east Queensland and Western Australia. Strawberry lethal yellows and green petal disease outbreaks in Queensland have led to 10-50{\%} of strawberry runners being destroyed. Lucerne yellows disease has been reported to cause an annual loss of AU$7 million to the lucerne seed industry. Disease surveys in Australia have increased our understanding of phytoplasma diseases in Australia and these fastidious organisms have been detected in ?70 native and introduced plant species. The majority of the Australian phytoplasmas are assigned to the 16SrII group, however, a member of the 16SrXII group is more commonly associated with economically important diseases in Australia such as strawberry lethal yellows, papaya dieback and grapevine yellows. These phytoplasma diseases have been diagnosed using PCR primers specific for their 16S rRNA gene. Screening hundreds of samples using PCR is time consuming and expensive so current and future studies are characterising an Australian phytoplasma genome and identifying suitable targets for the development of a more rapid diagnostic test for phytoplasmas. � Australasian Plant Pathology Society 2006.",
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    Phytoplasma diseases in sub-tropical and tropical Australia. / Streten-Joyce, Claire; Gibb, Karen.

    In: Australasian Plant Pathology, Vol. 35, No. 2, 2006, p. 129-146.

    Research output: Contribution to journalArticleResearchpeer-review

    TY - JOUR

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    AU - Streten-Joyce, Claire

    AU - Gibb, Karen

    PY - 2006

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    AB - Phytoplasmas are phloem-limited plant pathogens that have been identified in over 1000 plant species worldwide. Outbreaks of the phytoplasma-related disease, papaya dieback, has resulted in 10-100% crop losses in south-east Queensland and Western Australia. Strawberry lethal yellows and green petal disease outbreaks in Queensland have led to 10-50% of strawberry runners being destroyed. Lucerne yellows disease has been reported to cause an annual loss of AU$7 million to the lucerne seed industry. Disease surveys in Australia have increased our understanding of phytoplasma diseases in Australia and these fastidious organisms have been detected in ?70 native and introduced plant species. The majority of the Australian phytoplasmas are assigned to the 16SrII group, however, a member of the 16SrXII group is more commonly associated with economically important diseases in Australia such as strawberry lethal yellows, papaya dieback and grapevine yellows. These phytoplasma diseases have been diagnosed using PCR primers specific for their 16S rRNA gene. Screening hundreds of samples using PCR is time consuming and expensive so current and future studies are characterising an Australian phytoplasma genome and identifying suitable targets for the development of a more rapid diagnostic test for phytoplasmas. � Australasian Plant Pathology Society 2006.

    KW - Candidatus Phytoplasma

    KW - Carica papaya

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    KW - Fragaria x ananassa

    KW - Medicago sativa

    KW - Vitis

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